CHS 114.3×7.1
Circular hollow sections from Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness, t | 7.1 mm | 0.279528 in |
| Outside diameter | 114.3 mm | 4.5 in |
| Inside diameter | 100.1 mm | 3.9409 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 3,450,000 mm⁴ | 8.2887 in⁴ |
| Elastic modulus, Sₓ | 60,400 mm³ | 3.6858 in³ |
| Plastic modulus, Zₓ | 81,700 mm³ | 4.9856 in³ |
| Radius of gyration, rₓ | 38 mm | 1.4961 in |
| Distance to top fibre | 57.15 mm | 2.25 in |
| Distance to bottom fibre | 57.15 mm | 2.25 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 3,450,000 mm⁴ | 8.2887 in⁴ |
| Elastic modulus, S_y | 60,400 mm³ | 3.6858 in³ |
| Plastic modulus, Z_y | 81,700 mm³ | 4.9856 in³ |
| Radius of gyration, r_y | 38 mm | 1.4961 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 6,900,000 mm⁴ | 16.5773 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 18.8 kg/m | 12.633 lb/ft |